9 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:43:11 03:43:55 03:44:53 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:59:04 20:59:05 Jul Aug Sep Oct Nov Dec 2016 - 3 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:35:12 09:38:38 10:11:07 Jul Aug Sep Oct Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18